JPH08222955A - 位相ロック周波数シンセサイザの広帯域周波数変調方法及び装置 - Google Patents
位相ロック周波数シンセサイザの広帯域周波数変調方法及び装置Info
- Publication number
- JPH08222955A JPH08222955A JP7332915A JP33291595A JPH08222955A JP H08222955 A JPH08222955 A JP H08222955A JP 7332915 A JP7332915 A JP 7332915A JP 33291595 A JP33291595 A JP 33291595A JP H08222955 A JPH08222955 A JP H08222955A
- Authority
- JP
- Japan
- Prior art keywords
- delay
- input
- frequency
- modulation
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0975—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation in the phase locked loop at components other than the divider, the voltage controlled oscillator or the reference clock
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36239794A | 1994-12-22 | 1994-12-22 | |
US08/362397 | 1994-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08222955A true JPH08222955A (ja) | 1996-08-30 |
Family
ID=23425967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7332915A Withdrawn JPH08222955A (ja) | 1994-12-22 | 1995-12-21 | 位相ロック周波数シンセサイザの広帯域周波数変調方法及び装置 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0718963A1 (fr) |
JP (1) | JPH08222955A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012511881A (ja) * | 2008-12-09 | 2012-05-24 | クゥアルコム・インコーポレイテッド | 2ポイント変調と適応遅延マッチングとを用いるデジタル位相ロックドループ |
JP2012525795A (ja) * | 2009-04-29 | 2012-10-22 | クゥアルコム・インコーポレイテッド | アキュムレータおよび位相デジタル変換器を使用する2ポイント変調のデジタル位相同期ループ |
US8446191B2 (en) | 2009-12-07 | 2013-05-21 | Qualcomm Incorporated | Phase locked loop with digital compensation for analog integration |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6008703A (en) * | 1997-01-31 | 1999-12-28 | Massachusetts Institute Of Technology | Digital compensation for wideband modulation of a phase locked loop frequency synthesizer |
SG94352A1 (en) * | 1999-12-03 | 2003-02-18 | Texas Instruments Inc | Phase locked loop using delay compensation techniques |
US8339165B2 (en) | 2009-12-07 | 2012-12-25 | Qualcomm Incorporated | Configurable digital-analog phase locked loop |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4242649A (en) * | 1979-07-13 | 1980-12-30 | Harris Corporation | Method and apparatus for modulating a phase locked loop |
US4313209A (en) * | 1980-07-14 | 1982-01-26 | John Fluke Mfg. Co., Inc. | Phase-locked loop frequency synthesizer including compensated phase and frequency modulation |
US4447792A (en) * | 1981-11-09 | 1984-05-08 | General Electric Company | Synthesizer circuit |
DE3918581A1 (de) * | 1989-06-07 | 1990-12-13 | Bosch Gmbh Robert | Durch eine niederfrequente, analoge modulationsspannung modulierbare pll-oszillatorschaltung |
EP0408238B1 (fr) * | 1989-07-08 | 1996-03-27 | Plessey Semiconductors Limited | Synthétiseur de fréquence |
-
1995
- 1995-12-06 EP EP95308837A patent/EP0718963A1/fr not_active Withdrawn
- 1995-12-21 JP JP7332915A patent/JPH08222955A/ja not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012511881A (ja) * | 2008-12-09 | 2012-05-24 | クゥアルコム・インコーポレイテッド | 2ポイント変調と適応遅延マッチングとを用いるデジタル位相ロックドループ |
JP2012525795A (ja) * | 2009-04-29 | 2012-10-22 | クゥアルコム・インコーポレイテッド | アキュムレータおよび位相デジタル変換器を使用する2ポイント変調のデジタル位相同期ループ |
US8446191B2 (en) | 2009-12-07 | 2013-05-21 | Qualcomm Incorporated | Phase locked loop with digital compensation for analog integration |
US8531219B1 (en) | 2009-12-07 | 2013-09-10 | Qualcomm Incorporated | Phase locked loop with digital compensation for analog integration |
Also Published As
Publication number | Publication date |
---|---|
EP0718963A1 (fr) | 1996-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20030304 |